Konishi Chemical Ind. Co., Ltd.
Phenol,4,4'-sulfonylbis[2,6-dimethyl-
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Phenol,4,4'-sulfonylbis[2-methyl]-
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Bis[4-(4-aminophenoxy)phenyl]sulfone
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Benzene,1,1'-sulfonylbis[4-(phenylmethoxy)-
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